12 Questions
What is the purpose of a command interpreter in an operating system?
To execute user commands
In a distributed system, what does the communication network design need to consider?
Message routing and connection strategies
What is the function of a shell in an operating system?
To execute user commands
How do processors in a communication system communicate with each other?
Via message routing and connection strategies
Why are loading the base and limit registers considered privileged instructions?
To prevent access to any memory area outside the program's address space
What is the purpose of using a timer in an operating system?
To prevent a program from running too long
How is the CPU protected from a user program getting stuck in an infinite loop?
By using a timer that interrupts the CPU after a specified period
What is the purpose of ensuring that all addresses generated by a process are within a specific range?
To prevent the process from accessing memory areas outside its address space
What is the purpose of the base register in memory protection?
It holds the starting memory address of the process
Which register contains the smallest legal physical memory address for a process?
Base register
How does the CPU protect memory outside the defined range?
By checking every address generated by the process against the values in the CPU registers
What happens when a process is loaded into memory in terms of base and limit registers?
The base register is initialized with the starting address of the process and the limit register is initialized with its size
This quiz covers the concept of memory protection using base and limit registers to prevent processes from overwriting each other's memory space or the operating system's memory. It also explores the role of base and limit registers in defining the accessible memory range for a process.
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